Potosi, Wisconsin Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
Potosi weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Rain77%0.39″81°67°—
- SaturdayJun 6Light Drizzle23%—88°68°+7°
- SundayJun 7Light Showers41%0.02″79°67°-9°
- MondayJun 8Light Showers76%0.01″76°67°-3°
- TuesdayJun 9Overcast45%—83°67°+7°
- WednesdayJun 10Thunderstorm24%—88°69°+5°
- ThursdayJun 11Thunderstorm11%—88°73°0°
AQI 37 (Good), driven by PM2.5. AQI down 19 over the last 6 hours — air quality is improving sharply. PM scrubbed by 4 hours of recent rain — PM2.5 down to 7.8 µg/m³, PM10 to 8.8 µg/m³.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 7.8 µg/m³, PM10 to 8.8 µg/m³.
- PM2.5/PM10
- 0.89
- Wind
- calm
- Recent rain
- 4h in last 6h
- Pattern
- washed out
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
The higher the clouds, the finer the weather.
- Moonrise
- 5:10 AM
- Moonset
- 3:04 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Potosi at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Potosi
SPC has placed Potosi in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.